Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Mini Cooper R56 LCI R58 N16 1.6 122HP Engine ECU Kit DME 8625068 CAS 3 + Key
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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VDC Module BMW F01 F07 F10 F11 F12 Rear Suspension Level Control Unit 6866454
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Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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Ford Transit Fuse Relay Box Housing Covering Panel Cover Trim 6C1T14A076E
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Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078
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BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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Mercedes W204 Navigation CD Player Radio Sat Nav Head Unit A2049004711
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Mercedes W221 Sound Audio Amplifier Control Unit Module A2218207689
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BMW E60 E61 Rear PDC Parking Sensor Orientblau Orient Blue 8019683
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Mercedes Sprinter W910 Wiring Loom Cable Harness A9105409455
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SRC Module Mercedes W205 Front Air Module SRS Control Unit ECU A2059009727
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Audi A6 C6 ASB 3.0 TDI V6 Starter Motor 059911024G
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Ford Transit MK7 Airbag Module ECU Control Unit Air Bag 6C1T14B056AE
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Volkswagen VW Golf V 1.6 TDI Diesel Engine Starter Motor 022911024K
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BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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Mercedes W140 Parking Control Unit Module Sensor A0205457832
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Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Junction Box BMW X1 E84 ECU Body Control Module H2 PL2RR JBBFE IIIR 9267205
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BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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BMW F20 F21 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9331211
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Reversing Camera Mercedes W166 Rear View Camera Trunk Lid Tailgate A1669059302
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Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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Airbag Module Peugeot 307 Control Unit ECU Car Safety Sensor 9650109480
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Renault Trafic II Opel Vivaro B 2.0 DCI Diesel Engine Starter Motor 8200621305A
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-EWD
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BMW 7 Series E65 E66 Cooler Fan Unit Cooling 6932273 0130002845
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Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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Ford Transit Mk7 2.4 TDCi Diesel Engine Wiring Loom Harness Cables 6C1T12B637CG
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BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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BMW 1 E87 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9390483
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Telematics Module BMW F01 F07 F10 F12 Bluetooth Control Unit ECU 9228272
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
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BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
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Opel Combo Steering Column Power Steering Control Unit Module ECU 13136672
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BMW F20 F21 F30 F31 Head Unit Basic Media DAB Headunit 8798185
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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Mercedes W140 Seat Memory Control Unit Module Front Left N/S A1408201426
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Audi A3 8V Heater Blower Motor Fan Resistor 5Q0907521D
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Audi Q7 4L Air Suspension Control Module ECU 4L0910553B
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .